id:A147221 - OEIS Search Results

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Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1100-0111-0101 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 15, 37, 69, 139, 485, 1489 (list; graph; listen)

	OFFSET	`1,8`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.1.0.0.0.0` `.0.0.1.0.1.1.0.0` `.0.1.1.1.0.1.1.1` `.0.1.0.0.0.1.0.1` `.1.0.1.0.0.0.1.0` `.1.1.1.0.1.1.1.0` `.0.0.1.1.0.1.0.0` `.0.0.0.0.1.1.0.0`
	CROSSREFS	`Sequence in context: A118867 A082112 A059605 this_sequence A051461 A039605 A032654` `Adjacent sequences: A147218 A147219 A147220 this_sequence A147222 A147223 A147224`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.